/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "wanteighth_fuzzer.h"

#include <cstddef>
#include <cstdint>
#include <iostream>

#define private public
#include "want.h"
#undef private
#include "securec.h"

using namespace OHOS::AAFwk;

namespace OHOS {
namespace {
constexpr size_t U32_AT_SIZE = 4;
}

bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
{
    std::shared_ptr<Want> want = std::make_shared<Want>();
    want->GetOperation();
    Want wantEqual;
    want->IsEquals(wantEqual);
    std::string uri(data, size);
    want->GetUriString();
    want->SetUri(uri);
    want->GetUri();
    want->CheckUri(uri);
    want->WantToUri(wantEqual);
    want->ToUri();
    want->OperationEquals(wantEqual);
    Parcel parcel;
    want->ReadFromParcel(parcel);
    want->ToUriStringInner(uri);
    WantParams wantParams;
    want->ReplaceParams(wantParams);
    want->ReplaceParams(wantEqual);
    std::string key(data, size);
    want->RemoveParam(key);
    want->ClearWant(&wantEqual);
    std::string content(data, size);
    want->ToJson();
    want->ToString();
    auto wantPtr = want->FromString(content);
    if (wantPtr) {
        delete wantPtr;
        wantPtr = nullptr;
    }
    want->CloseAllFd();
    want->RemoveAllFd();
    want->DupAllFd();
    std::vector<std::string> entities;
    want->SetEntities(entities);
    return true;
}
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    if (data == nullptr) {
        std::cout << "invalid data" << std::endl;
        return 0;
    }

    /* Validate the length of size */
    if (size < OHOS::U32_AT_SIZE) {
        return 0;
    }

    char* ch = reinterpret_cast<char *>(malloc(size + 1));
    if (ch == nullptr) {
        std::cout << "malloc failed." << std::endl;
        return 0;
    }

    (void)memset_s(ch, size + 1, 0x00, size + 1);
    if (memcpy_s(ch, size, data, size) != EOK) {
        std::cout << "copy failed." << std::endl;
        free(ch);
        ch = nullptr;
        return 0;
    }

    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
    free(ch);
    ch = nullptr;
    return 0;
}
